package com.gym.core.common;

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 * @author xinchun.wang 
   @email: 532002108@qq.com
 * @createTime 2015-9-1 下午2:32:02
 */
public abstract class BeanUtils {
	
	private final static Logger logger = LoggerFactory.getLogger(BeanUtils.class);
	
	public static <T> T makeBeanByClass(Class<T> clz) {
		try {
			T ob = clz.newInstance();
			return ob;
		} catch (Exception e) {
			return null;
		}
	}

	
	public static <T> T makeBeanByName(String name) {
		try {
			@SuppressWarnings("unchecked")
			Class<T> clz = (Class<T>) Class.forName(name);
			T ob = makeBeanByClass(clz);
			return ob;
		} catch (Exception e) {
			return null;
		}
	}
	
	

	public static Map<String, Object> transBean2Map(Object obj) {
		if (obj == null) {
			return null;
		}
		Map<String, Object> map = new HashMap<String, Object>();
		try {
			BeanInfo beanInfo = Introspector.getBeanInfo(obj.getClass());
			PropertyDescriptor[] propertyDescriptors = beanInfo
					.getPropertyDescriptors();
			for (PropertyDescriptor property : propertyDescriptors) {
				String key = property.getName();

				// 过滤class属性
				if (!key.equals("class")) {
					// 得到property对应的getter方法
					Method getter = property.getReadMethod();
					Object value = getter.invoke(obj);

					map.put(key, value);
				}

			}
		} catch (Exception e) {
			logger.error("transBean2Map ",e);
		}

		return map;

	}



}
